hw14.pde

// TODO: Your Name
// Homework 14. Practicing using a loop to remove repetitive code.
// Improving drawAllForts with a loop.

final int TEXT_SIZE = 32;
color green = color(0, 200, 0);
color white = color(255);

int shipsLeft = 4;
int credit = 0;

void setup() {
  size(640, 480);
  background(0);
}

void draw() {
  drawBottomStatusBar();
  drawAllForts();
}

void drawAllForts() {
  drawFort(0);
  drawFort(1);
  drawFort(2);
}

void drawFort(int fortNumber) {
  final int BASE_X = 120;
  final int BASE_Y = height - 170;
  noStroke();
  fill(green);
  rect(BASE_X + (150 * fortNumber), BASE_Y, 70, 25, 20, 20, 0, 0);
  rect(BASE_X + (150 * fortNumber), BASE_Y + 25, 25, 25);
  rect(BASE_X + 45 + (150 * fortNumber), BASE_Y + 25, 25, 25);
}

void drawBottomStatusBar() {
  drawBottomStatusBarLine();
  drawCreditLeft();
  drawNumberOfShipsLeft();
  drawShipsLeft();
}

void drawBottomStatusBarLine() {
  stroke(green);
  line(0, height - 50, width, height - 50);
}

void drawNumberOfShipsLeft() {
  setBottomBarTextStyle();
  text(shipsLeft, 10, height - 20);
}

void drawShipsLeft() {
  drawRemainingShip(0);
  drawRemainingShip(1);
  drawRemainingShip(2);
  drawRemainingShip(3);
}

void drawRemainingShip(int shipNumber) {
  final int BASE_X = 50;
  final int BASE_Y = height - 40;
  noStroke();
  fill(green);
  rect(BASE_X + (shipNumber * 50), BASE_Y, 40, 20, 10, 10, 0, 0);
  rect(BASE_X + 17 + (shipNumber * 50), BASE_Y - 5, 5, 5);
}

// Draws 0X when X, the credit left, is less than 10.
// Otherwise draws the amount of credit left.
void drawCreditLeft() {
  setBottomBarTextStyle();
  text("CREDIT", width - (TEXT_SIZE * 6), height - 20);
  if (credit < 10) {
    text("0" + credit, width - (TEXT_SIZE * 2), height - 20);
  } else {
    text(credit, width - (TEXT_SIZE * 2), height - 20);
  }
}

// Notice how this function just encapsulates repetitive
// code that is used by both drawShipsLeft and drawCreditLeft.
void setBottomBarTextStyle() {
  fill(white);
  textSize(TEXT_SIZE);
}